Home / 320,436,002.40-480,654,003.60-298,936,917.60

Finding the Fourth Proportional to 320,436,002.40, 480,654,003.60 and 298,936,917.60

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Solution

The fourth proportional to 320,436,002.40, 480,654,003.60 and 298,936,917.60 is: 448,405,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,436,002.40 : 480,654,003.60 = 298,936,917.60 : x
  2. Step 2: Convert to fraction form
    320,436,002.40/480,654,003.60 = 298,936,917.60/x
  3. Step 3: Cross multiply
    320,436,002.40x = 480,654,003.60 × 298,936,917.60
  4. Step 4: Simplify right side
    320,436,002.40x = 143,685,226,268,283,328
  5. Step 5: Solve for x
    x = 143,685,226,268,283,328/320,436,002.40
  6. Step 6: Final answer
    x = 448,405,376.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.